facing.ngc

;Facing
O<facing> sub

G7 ; Lathe Diameter Mode
G18 ; XZ Plane
G21 ; Metric Units
G90 ; Absolute Distance

M6 T#7 G43

O90 IF [#8 GT 0.5]
	M8
O90 ENDIF

O10 IF [#6 NE 0]
   (MSG, Angled facing isn't supported yet)
O10 ENDIF

#14 = [#<_x> * 2] (starting X)
#13 = #<_z> (starting Z)

G96 D2500 S#2 ; Constant Surface Speed Mode
M3
g95 F#4 ; Feed-Per-Rev Mode

g4p1 ; Wait to reach speed

	O200 WHILE [#13 GT #5 + #3]
	
	#13=[#13-#3]
	G1 Z#13
	G1 X#1
	G0 Z[#13+#3]
	G0 X#14
	G0 Z#13
	O200 ENDWHILE
	
	G1 Z#5
	G1 X#1
	G0 Z[#13+#3]
	G0 X[#14+#3]
	G0 Z#5 ; For touch-off
    M5 M9
O<facing> endsub
M2